Dormer Brown vs Sea Mariner

Dormer Brown and Sea Mariner come from the same Sherwin-Williams collection. Hue-wise, Dormer Brown belongs to the beige-greige family and Sea Mariner to the blue-grey family. The 25-point LRV gap — 32 for Dormer Brown vs 7 for Sea Mariner — means Dormer Brown will open up a space more effectively. Where Dormer Brown leans warm, Sea Mariner reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 39.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.